Stone Age Surfboards is a small manufacturer of two types of popular low-tide surfboards, the Graystone and the Lava models. The manufacturing process consists of two departments: fabrication and finishing. The fabrication department has 8 skilled workers, each of whom works 9.25 hours per day. The finishing department has 5 workers, each of whom works a 6-hour shift. Each pair of Graystone surfboards requires 2.5 labor-hours in the fabrication department and 2 labor-hours in finishing. The Lava modelrequires 4.2 labor-hours in the fabrication department and 3.6 labor-hours in finishing. The company operates 6 days a week. It makes a per-unit profit of $40 on the Graystone model and $60 on the Lavamodel. The company anticipates selling at least twice as many Lava models as Graystone models.

1. What is the allowable increase for Lava Surfboards Produced?

A.30

B.24

C.12

D.18

2. What is the value of slack obtained from the answer report?

A.23.85

B.38.46

C.46.78

D.59.24

3. What is the Allowable Increase in the finishing hours used?

A.8.33

B.16.67

C.26.84

D.32.46

4. If the unit profit on Graystone surfboards is increased by $10, what is the Allowable Decrease for Lava surfboards?

A.16.67

B.58.75

C.85.00

D.102.38

5. What is the allowable decrease in the fabrication hours used?

A.8.33

B. 16.67

C.38.46

D.26.84

6. What will be the total profit contribution from Greystone Surfboards?

A.$ 391.30

B. $ 130.43

C.$ 276.65

D.$ 521.74

7.What is the total number of hours used for the finishing operation?

A.30.0

B.24.2

C.35.5

D.18.7